著者名,書名,版表示,出版者名,出版年,シリーズ名,番号,ISBN,ISSN,URL
"Catholic Church. Pope ( : Gregory VII) and Caspar, Erich Ludwig Eduard, b. 1879",Das Register Gregors VII,,Weidmannsche Buchh.,1920,Monumenta Germaniae historica inde ab anno Christi quingentesimo usque ad annum millesimum et quingentesimum,,,,https://cir.nii.ac.jp/crid/1130000798375491456